1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE 3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX 4 5; Ensure we match legal min/max intrinsics and the expanded compare+select equivalents. 6 7declare <4 x i32> @llvm.smax.v4i32(<4 x i32>, <4 x i32>) 8 9define <4 x i32> @PR27924_cmpeq(<4 x i32> %a, <4 x i32> %b) { 10; SSE-LABEL: PR27924_cmpeq: 11; SSE: # %bb.0: 12; SSE-NEXT: pcmpeqd %xmm0, %xmm0 13; SSE-NEXT: retq 14; 15; AVX-LABEL: PR27924_cmpeq: 16; AVX: # %bb.0: 17; AVX-NEXT: vpcmpeqd %xmm0, %xmm0, %xmm0 18; AVX-NEXT: retq 19 %cmp = icmp sgt <4 x i32> %a, %b 20 %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b 21 %sse_max = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b) 22 %truth = icmp eq <4 x i32> %max, %sse_max 23 %ret = sext <4 x i1> %truth to <4 x i32> 24 ret <4 x i32> %ret 25} 26 27define <4 x i32> @PR27924_cmpgt(<4 x i32> %a, <4 x i32> %b) { 28; SSE-LABEL: PR27924_cmpgt: 29; SSE: # %bb.0: 30; SSE-NEXT: xorps %xmm0, %xmm0 31; SSE-NEXT: retq 32; 33; AVX-LABEL: PR27924_cmpgt: 34; AVX: # %bb.0: 35; AVX-NEXT: vxorps %xmm0, %xmm0, %xmm0 36; AVX-NEXT: retq 37 %cmp = icmp sgt <4 x i32> %a, %b 38 %max = select <4 x i1> %cmp, <4 x i32> %a, <4 x i32> %b 39 %sse_max = tail call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b) 40 %untruth = icmp sgt <4 x i32> %max, %sse_max 41 %ret = sext <4 x i1> %untruth to <4 x i32> 42 ret <4 x i32> %ret 43} 44